/* 内容区域 */
.content{
    margin-bottom: 75px;
}
.content .contact-usz ul{
    width: 944px;
    margin: 50px auto 0;
}
.content .contact-usz li{
    width: 280px;
    text-align: center;
    line-height: 26px;
    float: left;
}
.content .contact-usz li:not(:last-child){
    margin-right: 52px;
}
/* 地图区域 */
.map{
    background-image: url(../img/map.png);
    background-repeat: no-repeat;
    background-size: 100%;
    height: 424px;
}
.footer{
    margin-top: 0;
}